Can you or someone tell me if these will fit my standard R34 engine but with a boost controller to 1.1bar? I'm not sure myself you see?NGK Iridium IX
I have a set of 6 of these brand new never used but not 100% sure if they are compatible for you?
Please see if the following codes make any sense to you:
Stock No. 6988
If so then £50 inc. of post to you